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ESCO Refrigeration Questions and
Correct Answers/ Latest Update /
Already Graded
Heat which is added to a vapor after the change of state occurs is
called
Ans: superheat
A refrigerant gives up heat when;
Ans: it condenses
it is desirable for refrigerant in the suction line to be slightly
superheated in order to...
Ans: ensure liquid refrigerant does not enter the compressor
state of refrigerant in the suction line should be...
Ans: low pressure/ low temperature vapor
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state of refrigerant entering the condenser is...
Ans: high pressure/ highly superheated vapor
the evaporator...
Ans: Transfers heat from the refrigerated space to the refrigerant
which is not a thermodynamic property of refrigerants
Ans: flammability
Zero psia (pounds per square inch absolute) is;
Ans: a pressure which cannot be further reduced
zero psig is the same as
Ans: atmospheric pressure
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the temperature at which moisture will start to condense from the air
is called...
Ans: dew point temperature
a compound pressure gauge measures...
Ans: pressure and vacuum
the main function of the condenser is to...
Ans: To remove heat from the refrigerant
The heat removed from the refrigerant by the condenser is;
Ans: Both sensible and latent heat.
in the evaporator...
Ans: latent heat is transferred from the refrigerated space to the
refrigerant
ESCO Refrigeration Questions and
Correct Answers/ Latest Update /
Already Graded
Heat which is added to a vapor after the change of state occurs is
called
Ans: superheat
A refrigerant gives up heat when;
Ans: it condenses
it is desirable for refrigerant in the suction line to be slightly
superheated in order to...
Ans: ensure liquid refrigerant does not enter the compressor
state of refrigerant in the suction line should be...
Ans: low pressure/ low temperature vapor
,2 | Page
state of refrigerant entering the condenser is...
Ans: high pressure/ highly superheated vapor
the evaporator...
Ans: Transfers heat from the refrigerated space to the refrigerant
which is not a thermodynamic property of refrigerants
Ans: flammability
Zero psia (pounds per square inch absolute) is;
Ans: a pressure which cannot be further reduced
zero psig is the same as
Ans: atmospheric pressure
, 3 | Page
the temperature at which moisture will start to condense from the air
is called...
Ans: dew point temperature
a compound pressure gauge measures...
Ans: pressure and vacuum
the main function of the condenser is to...
Ans: To remove heat from the refrigerant
The heat removed from the refrigerant by the condenser is;
Ans: Both sensible and latent heat.
in the evaporator...
Ans: latent heat is transferred from the refrigerated space to the
refrigerant
